.mainCheck {
    position: relative;
    margin: 0;
    box-shadow: 0 0 10px #000!important;
    border-radius: 5px;
    height: 600px;
}
.increaseTitle {
    font-size: 18px;
    font-weight: 200;
    color: #000;
    padding: 12px;
    box-shadow: 0 0 10px #000!important;
    border-radius: 5px;
}
.mainCenter {
    position: absolute;
    left: 50%;
    transform: translate(-50%,40%);
}
.mainCenter label {
    font-size: 16px;
    font-weight: 550;
    color: #000;
}
.el-button {
    margin: 0;
}
.el-form-item__error {
    padding: 0;
}
.demo-ruleForm  {
    width: 400px;
    border: 10px solid rgb(150, 150, 150);
    padding: 50px 50px 30px!important;
    border-radius: 10px;
}